Hello! I posted a similar question yesterday. However I am going in a few weeks and made my reservations months ago! The people who responded to my post said the busses start at 6:30. I made reservations for 9:10 at the Tusker House. I wish I would of made It for earlier because the park opens at 9. So I am missing out on early park hopper options. I made reservations for other breakfast locations at 8 and the people who responded to my post said the busses will not be problem! I would check out the park times. I believe they are posted for May next year. They are subject to change, but it gives you an idea. Have fun planning!